Equisetum Arvense Powder: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 27, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Equisetum Arvense Powder?

Equisetum Arvense Powder is a fine plant powder made from horsetail, a hardy fern-like herb that grows in temperate regions across Europe, Asia and North America. The whole aerial part of the plant is harvested, thoroughly dried then milled into a soft beige powder suitable for cosmetic use. Horsetail is naturally rich in silica along with smaller amounts of potassium, calcium, flavonoids and trace antioxidants, a profile that helps it attract and hold water on the skin’s surface.

The plant itself has a long folk history as a beauty rinse for hair and nails. Commercial interest grew in the late twentieth century when formulators noticed its high silica content could support moisture retention in skin care. Today manufacturers source cultivated horsetail, process it under low-heat conditions to preserve its actives then perform microbiological testing to meet modern safety standards.

Equisetum Arvense Powder is commonly added to facial masks, toners, lightweight moisturizers, anti aging serums, clarifying shampoos and scalp treatments where a natural humectant with a botanical story is desired.

Equisetum Arvense Powder’s Cosmetic Benefits/Uses

In formulas this ingredient serves one core purpose that delivers several user-friendly advantages.

As a humectant Equisetum Arvense Powder draws moisture from the environment and binds it to the upper layers of skin or hair. This helps keep skin feeling soft and supple, reduces the look of surface dryness and supports a smoother makeup laydown. In hair care it can help improve slip and reduce static by maintaining a balanced moisture level.

Who Can Use Equisetum Arvense Powder

Equisetum Arvense Powder is generally well tolerated by all skin types. Dry and combination skin often appreciate the extra hydration while oily skin benefits from its light, non-greasy feel. Very sensitive or highly reactive skin should proceed with a little caution because any botanical powder can contain trace allergens that might trigger redness or itching in rare cases.

The powder is 100 percent plant based so it fits easily into vegan and vegetarian lifestyles. No animal derived materials are used at any point in cultivation or processing.

Current research shows no specific issues for pregnant or breastfeeding users when the ingredient is applied topically in normal cosmetic amounts. That said this is not medical advice. Expectant or nursing mothers should show any new product to their healthcare professional before adding it to a routine just to be safe.

Equisetum Arvense Powder is not known to cause photosensitivity so it will not make skin more prone to sunburn. It can also be used on the scalp and hair without affecting color treated strands.

Potential Side Effects/Adverse Reactions

Response to a topical ingredient can vary from person to person. The reactions listed below are possible not probable. When the powder is incorporated into a well-formulated product most users enjoy it without incident.

  • Skin irritation temporary stinging or burning can occur on very delicate skin, especially if the formula also contains strong actives like acids or retinoids
  • Redness or flushing mild vascular response that usually subsides once the product is removed
  • Contact dermatitis rare allergic reaction in individuals sensitive to horsetail or related plants which may present as itchiness, swelling or a rash
  • Eye discomfort if dry powder or a product containing it accidentally enters the eyes it can cause watering or a gritty sensation

If any of these effects appear discontinue use and consult a qualified healthcare provider.

Comedogenic Rating

Rating: 1

Equisetum Arvense Powder is almost entirely composed of water-binding minerals and trace phytonutrients, with virtually no dense lipids that could clog pores. Because it sits lightly on the skin and pulls in moisture rather than forming an occlusive film, the likelihood of it blocking follicles is very low. Its rating is not a perfect 0 only because any particulate plant material can mix with sebum and debris in certain formulations, but real-world reports of breakouts are uncommon.

Suitable for those who are prone to acne or frequent breakouts.

As always the finished formula matters: heavy oils or waxes paired with horsetail powder can raise the overall pore-clogging potential even if the powder itself is non-problematic.

Summary

Equisetum Arvense Powder is mainly valued as a natural humectant. Its high silica content attracts ambient moisture and holds it at the surface, helping skin and hair stay soft, smooth and comfortable. It offers a gentle botanical story without adding greasiness, which makes it a flexible choice in masks, toners, serums and lightweight creams.

While horsetail has a long folk history, it is still a niche ingredient compared with mainstream hydrators like glycerin or hyaluronic acid. Brands that favor plant-forward or minimalist formulas reach for it to provide subtle hydration plus marketing appeal.

Topically, the powder is considered very safe with a low risk of irritation or pore clogging. Still, every skin is different so performing a quick patch test when trying any new product that contains it is a sensible precaution.

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